Rear floorboard exhaust guard



FIG. 1 is a front view of a rear floorboard exhaust guard showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a left end view thereof; and,

FIG. 7 is a perspective view thereof on a reduced scale in use on a motorcycle.

The material shown in dotted line forms the environment of the use of the present design and forms no part of the claimed design. 

CLAIM The ornamental design for a rear floorboard exhaust guard, as shown and described. 